14+0= 5+7= 13-3= 17-10=
10+5= 3+7= 6+4= 9-9=
8+2+2= 9-3-3= 16-6+5= 9+1-6=
6-4=
7+0=
5+1=
4-0=
5-2=
4+2=
3+2=
3+3=
5-5=
0+0=
2+4=
□O□=□(瓶)
8+614 18-89 14-26
12+418-2 1+78 17-68+9
4321+500= 13.2-5.2= × = 0.2×1.4=
8÷25%= + = 2.4÷ = ÷ =